Cheap flights from Washington, D.C. to Perth from $482

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Perth departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Perth

Cheap round-trip flights

Qantas Airways Logo
3:24 pm - 9:15 pmBWI-PER
40h 51m2 stops
Qantas Airways Logo
5:45 pm - 2:06 pmPER-BWI
33h 21m2 stops
$1,563Qantas Airways
Find Deal
Tue, Dec 9 - Wed, Dec 17
Cathay Pacific Logo
10:20 am - 10:40 pmDCA-PER
48h 20m2 stops
Cathay Pacific Logo
12:10 am - 8:59 pmPER-DCA
32h 49m2 stops
$1,609Cathay Pacific
Find Deal
Tue, Sep 9 - Wed, Sep 24
 Logo
10:05 pm - 1:10 amIAD-PER
39h 05m2 stops
 Logo
2:10 am - 4:10 pmPER-IAD
50h 00m2 stops
$1,740
Find Deal
Sun, Oct 5 - Sat, Oct 11
Singapore Airlines Logo
9:59 am - 2:45 pmDCA-PER
39h 46m2 stops
Singapore Airlines Logo
5:05 pm - 8:00 pmPER-DCA
63h 55m2 stops
$1,746Singapore Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
 Logo
10:05 pm - 12:40 amIAD-PER
38h 35m2 stops
 Logo
7:50 am - 4:10 pmPER-IAD
44h 20m2 stops
$1,783
Find Deal
Mon, Sep 8 - Sat, Sep 20
Singapore Airlines Logo
9:59 am - 2:45 pmDCA-PER
39h 46m2 stops
Singapore Airlines Logo
5:05 pm - 8:00 pmPER-DCA
63h 55m2 stops
$1,806Singapore Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
American Airlines Logo
3:23 pm - 12:05 pmBWI-PER
31h 42m2 stops
American Airlines Logo
10:40 pm - 2:30 pmPER-BWI
28h 50m2 stops
$1,918American Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
American Airlines Logo
1:35 pm - 10:15 amBWI-PER
32h 40m2 stops
American Airlines Logo
10:55 pm - 6:46 pmPER-BWI
31h 51m2 stops
$1,982American Airlines
Find Deal
Sun, Oct 5 - Sun, Oct 12
Qatar Airways Logo
9:00 pm - 11:30 pmIAD-PER
38h 30m2 stops
Qatar Airways Logo
4:10 pm - 8:40 amPER-IAD
28h 30m1 stop
$2,001Qatar Airways
Find Deal
Mon, Sep 8 - Sat, Sep 20
Qatar Airways Logo
9:00 pm - 11:55 amIAD-PER
26h 55m1 stop
Qatar Airways Logo
10:45 pm - 3:40 pmPER-IAD
28h 55m1 stop
$2,021Qatar Airways
Find Deal
Wed, Sep 3 - Wed, Sep 24

Singapore Airlines flights from Washington, D.C. to Perth

Our best Singapore Airlines deals on Washington, D.C. to Perth flight tickets
Singapore Airlines
Nov 13
DCA9:59 amWashington, D.C. Reagan-National
39h 46m
2 stops
PER2:45 pmPerth
Nov 17
PER5:05 pmPerth
63h 55m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
Singapore Airlines
Nov 13
DCA9:59 amWashington, D.C. Reagan-National
39h 46m
2 stops
PER2:45 pmPerth
Nov 17
PER5:05 pmPerth
63h 55m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
Singapore Airlines
Nov 13
BWI7:03 pmBaltimore/Washington
54h 42m
2 stops
PER2:45 pmPerth
Nov 17
PER5:05 pmPerth
62h 02m
2 stops
BWI6:07 pmBaltimore/Washington

American Airlines flights from Washington, D.C. to Perth

Our best American Airlines deals on Washington, D.C. to Perth flight tickets
American Airlines
Nov 13
BWI3:23 pmBaltimore/Washington
31h 42m
2 stops
PER12:05 pmPerth
Nov 17
PER10:40 pmPerth
28h 50m
2 stops
BWI2:30 pmBaltimore/Washington
American Airlines
Oct 5
BWI1:35 pmBaltimore/Washington
32h 40m
2 stops
PER10:15 amPerth
Oct 12
PER10:55 pmPerth
31h 51m
2 stops
BWI6:46 pmBaltimore/Washington
American Airlines
Oct 5
DCA1:33 pmWashington, D.C. Reagan-National
32h 42m
2 stops
PER10:15 amPerth
Oct 12
PER10:55 pmPerth
29h 31m
2 stops
DCA4:26 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 12/9

3:24 pm-9:15 pm

2 stops40h 51m

Perth

Wed 12/17

5:45 pm-2:06 pm

2 stops33h 21m

$1,563

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 9/9

10:20 am-10:40 pm

2 stops48h 20m

Perth

Wed 9/24

12:10 am-8:59 pm

2 stops32h 49m

$1,609

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 10/5

10:05 pm-1:10 am

2 stops39h 05m

Perth

Sat 10/11

2:10 am-4:10 pm

2 stops50h 00m

$1,740

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 11/13

9:59 am-2:45 pm

2 stops39h 46m

Perth

Mon 11/17

5:05 pm-8:00 pm

2 stops63h 55m

$1,746

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 9/8

10:05 pm-12:40 am

2 stops38h 35m

Perth

Sat 9/20

7:50 am-4:10 pm

2 stops44h 20m

$1,783

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 11/13

9:59 am-2:45 pm

2 stops39h 46m

Perth

Mon 11/17

5:05 pm-8:00 pm

2 stops63h 55m

$1,806

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 11/13

3:23 pm-12:05 pm

2 stops31h 42m

Perth

Mon 11/17

10:40 pm-2:30 pm

2 stops28h 50m

$1,918

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 10/5

1:35 pm-10:15 am

2 stops32h 40m

Perth

Sun 10/12

10:55 pm-6:46 pm

2 stops31h 51m

$1,982

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 9/8

9:00 pm-11:30 pm

2 stops38h 30m

Perth

Sat 9/20

4:10 pm-8:40 am

1 stop28h 30m

$2,001

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 9/3

9:00 pm-11:55 am

1 stop26h 55m

Perth

Wed 9/24

10:45 pm-3:40 pm

1 stop28h 55m

$2,021

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Perth from

How to get the cheapest flight ticket from Washington, D.C. to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Perth?

What is the cheapest month to fly to Perth?

In general, February is the cheapest month to fly from Washington, D.C. to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,104. If you are unable to visit Perth during the month of February, then departing from Washington, D.C. during the month August is also very affordable. Most momondo users find prices during this month for around $1,212.

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Monday when prices can be found for as low as $1,785. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Thursday, with ticket prices averaging around $2,395.

What is the cheapest time of day to depart on your flight to Perth?

In the afternoon is the cheapest time of day to fly from Washington, D.C. to Perth when you can find flight prices for as low as $1,863. Flying to Perth in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $2,119. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Washington, D.C. to Perth flights?

You could potentially save up to 38% on your flight if you consider stops on a Washington, D.C. to Perth flight.

When to book flights from Washington, D.C. to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Perth

Direct flights

None
There are no direct flights from Washington, D.C. to Perth. There are no popular flight routes from Washington, D.C. to Perth.
  • How far is Washington, D.C. to Perth by plane?

    The straight-line distance from Washington, D.C. to Perth is 11559.6 mi. 25h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to Perth Airport?

    Prices for flights from Washington, D.C. to Perth Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Perth Airport?

  • How old do you have to be to fly from Washington, D.C. to Perth Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. to Perth?

Best airlines flying from Washington, D.C. to Perth

Compare and see reviews for airlines that fly from Washington, D.C. to Perth with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $1,097Free CancellationRating
7.5
898 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,506Free CancellationRating
7.4
3,615 reviews
Search Qatar Airways flights

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Fremantle
Scarborough
Rottnest Island
Waikiki

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

It is quick and easy to find Washington, D.C. to Perth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Perth that suits you.

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

Flights from Washington, D.C. to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Perth?

Once you have performed a search for Washington, D.C. to Perth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Washington, D.C. and alert you when they change.

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1 adult
Tue 8/26
Tue 9/2

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